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China GB Q1300D 超高强度结构用热处理钢板 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: Q1300D / Q1300D
Category Grade Standard Region/Area Standard Content
Metals Q1300D GB/T 28909 China 超高强度结构用热处理钢板

Chemical composition(mass fraction)(wt.%) of the Q1300D

Element Min Max Similar
V - 0.1400 -
Si - 0.8000 -
S - 0.0100 -
P - 0.0200 -
Ni - 4.0000 -
Nb - 0.0800 -
Mo - 0.7000 -
Mn - 1.6000 -
Cr - 1.6000 -
CEV - 0.8600 -
C - 0.2500 -
B - 0.0060 -
Al 0.0150 - -

Mechanical Properties of steel grade Q1300D

Yield
Rp0.2 (MPa)
Tensile
Rm (MPa)
Impact
KV/Ku (J)
Elongation
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
585 (≥) 224 (≥) 43 33 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 112

Physical Properties of steel grade Q1300D

Temperature
(°C)
Modulus of elasticity
(GPa)
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)
Specific thermal capacity
(J/kg·°C)
Specific electrical resistivity
(Ω mm²/m)
Density
(kg/dm³)
Poisson’s coefficient, ν
12 - -     0.12 -  
779 897 - 12.3 212   -  
136 - 23 31.2   233 334

Heat Treatment of steel grade Q1300D

Heat treated : 1877°C - 1212°C

Technological Curves of steel grade Q1300D

Cross Reference Table (Equivalent Grade) of Q1300D

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